package com.rk.jvm;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public class FullGC {
    private static class CardInfo {
        BigDecimal price = new BigDecimal("0.0");
        BigDecimal rate = new BigDecimal("0.0");
        String name = "张三";
        int age = 5;
        Date birthdate = new Date();
        Date start = new Date();
        Date end = new Date();

        public void m() {
        }
    }

    private static ScheduledThreadPoolExecutor executor =
            new ScheduledThreadPoolExecutor(50,
                    new ThreadPoolExecutor.DiscardOldestPolicy());


    public static void main(String[] args) throws Exception {

        for (; ; ) {
            modelFit();
            Thread.sleep(100);
        }
    }

    private static void modelFit() {
        List<CardInfo> taskList = getAllCardInfo();
        taskList.forEach(info -> {
            // do something
            executor.scheduleWithFixedDelay(() -> {
                //do sth with info
                info.m();

            }, 50, 200, TimeUnit.MILLISECONDS);

        });
    }

    private static List<CardInfo> getAllCardInfo() {
        List<CardInfo> taskList = new ArrayList<>();

        for (int i = 0; i < 100; i++) {
            CardInfo ci = new CardInfo();
            taskList.add(ci);
        }

        return taskList;
    }
}
